Xerox Phaser 3110 Service Manual page 35

Troubleshooting
Fault
Ghost & Image • The printed image
Contamination
• Totally contaminat-
• The density of print-
4-24
Signs
1. The printed image is too light
is too light or dark, or dark, or partially contami-
or partially contami- nated black.
nated black. (1)Check whether foreign sub-
edblack.
(Black image print- (2)Check whether the terminal
ed out)
outs is too dark and
ghost occurs.
2. Totally contaminated black.
(Black image printed out)
(1)Check whether foreign sub-
3. The printed image is dark and
ghost occurs.
(1)Check foreign substance
Cause & Check
stance or toner are stuck to
the terminal(point of contact)
of the developer.
assembly is normal.
stances are stuck to the ter-
minal(point of contact) of the
developer and the state of
assembly.
(Especially check the
charged roller terminal.)
attached to the terminal
(point of contact) of the
developer and the state of
assembly.
(Especially check the devel-
oping roller terminal.)
Solution
1. All of 1, 2, 3 above
(1)Remove toner and foreign sub-
stances adhered to the contact
point of the developer.
(2)The contact point of the unit
facing that of the developer
also must be cleaned.
(3)If the terminal assembly is
unsafe:
• Fully stick the terminal to or
reassemble it after disassem-
bling.
• Disassemble the side plate and
push the terminal to be stuck,
then reassemble it.
2. In case of 2
It is a phenomenon when the
OPC drum of the developer is not
electrically charged. Clean the
terminals of the charged roller,
then recheck it.
3. In case of 3
It is a phenomenon as the devel-
oping bias voltage of the devel-
oper. Clean the terminals of the
developing roller, then recheck it.